Mass Transfer When the temperature and humidity of air is low, we usually use __________ draft cooling tower. Forced Natural Induced None of these Forced Natural Induced None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Ratio of the insoluble to solution is constant Both A & B Neither A nor B Solids are drained to the same extent Ratio of the insoluble to solution is constant Both A & B Neither A nor B Solids are drained to the same extent ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P = P P P < P P >>P P = P P P < P P >>P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T² T⁴ T √T T² T⁴ T √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Minimise the overall pressure drop Avoid channeling Reduce liquid hold up Avoid flooding Minimise the overall pressure drop Avoid channeling Reduce liquid hold up Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In towers packed with stacked packing At very high liquid flow rate In towers packed randomly with crushed solids In dumped packing of regular units In towers packed with stacked packing At very high liquid flow rate In towers packed randomly with crushed solids In dumped packing of regular units ANSWER DOWNLOAD EXAMIANS APP
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